Which of the following is a physical quantity that has both magnitude and direction?

a. vector

c. resultant

b. scalar

d. frame of reference

A curve in a road forms part of a horizontal circle. as a car goes around it at constant speed 14.0 m/s, the horizontal total force on the driver has magnitude 146 n.

Which setup could not be used to induce an electric current? spinning wire coils within an array of fixed permanent magnets spinning electromagnets within an array of fixed wire coils spinning permanent magnets within an array of fixed permanent

Identify the scientific law from among the following statements. A) The book fell 1 meter in 0.5 seconds B) Gravity acts upon each object on the Earth. C) The velocity of the book is 2 meters/second.

The surface air pressure on the planet mars is about 0.007 atm. if you were standing on mars, the surface air pressure would be equivalent to a pressure of

Through which type of media do mechanical waves, such as sound, move the fastest?

A car moved at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilometers/hour

What are the methods of heat transfer?

Which represents a deletion of the section of DNA shown here, a-c-t-g-g-a-t? A. A-c-t-a-t B. A-c-t-c-g-a-t C. A-t-c-t-g-g-a-t D. A-c-t-c-c-t-t

If a lamp has a resistance of 50 ohms and is operated by a p. d. of 10V, find the current flowing through it

The amount of energy in the universe is ... A) changing rapidly B) changing slowly C) barely changing at all D) remaining constant